Description:this Two-way Gsm Audio Spy Device Calls You When It Detects Sounds Nearby. How Awesome Is That? Simply Insert A Gsm Sim Card And Program It To Your Desired Phone Number To Call Back And Now You Are In The Spy Business.trying To Find Out The Truth About What Is Being Said Behind Your Back? Now You Can Remotely. You Can Even Place Several Of These Spy Audio Devices And Configure Them In The Places You Want Like The Bedroom, Living Room, Conference Room Or Office. Simply Insert A Sim Card Into The Audio Spy Device And Your Bug Is Active And Ready For Actionthis Two-way Audio Spy Device Comes With Two Amazing Functions:(1) Make A Call To The Audio Device And You Can Instantly Listen To The Conversationsthe Built-in Microphone Works Up To A Radius Of 7 Meters, So Configure This Bug Wherever You Want(2) Allows The Spy Audio Device To Call You When It Hears People Talkingthis Feature Makes It Much More Advanced Than Other Gsm Audio Bugs On The Market Today.hot Spots:hidden Audio Spy Gadgetauto Dialing Optiotri-band Gsm Audio Spy Deviceproducts Product Noteswhen This Detects A Sound, The Spy Bug Will Call Your Cell Phoneyou Can Charge The Spy Audio Device By Connecting The Usb Charger Cable To The Power Chargerthis Product Is Sold As An Investigative Tool For Law Enforcement Or Licensed Investigators. Anyone Else Controlling This Device Should Only Order It As A Toy Since Many Countries Strictly Prohibit The Ownership Of Spy Devices.important Note: You Are Solely Responsible For Whether This Product Is Legal To Import And / Or Use In Your Country. We Will Ship The Products You Order To You And Accept No Responsibility For Customs Issues Or Any Implication Of Your Ownership Or Use Of This Device.specifications:main Function: Tri-band Gsm Two-way Audio Spy Devicematerials: Molded Plasticcolor: Blackgsm Frequency Compatibility: Tri-band (850mhz, 900mhz, 1800mhz, 1900mhz)microphone Range: 5-7 Meters Radiuspower: Built In 200mah Rechargeable Li-ion Batteryworking Time: 5 Hoursvoice Control Activated: 3-5 Daysvoice Distortion: 12-15 Daysdimensions: 4.3x 3.2 X 1.4 (cm)package Included:1x Two-way Audio Spy Device1x Usb Cable1x User Manual (chinese And English) "